Modular QoS Deployment Scenarios on Cisco ASR 9000 Series Routers
Contents
QC-162
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
OL-23108-02
Contents
• 802.1ad DEI, page 162
• Frame Relay QoS, page 163
• IP Header Compression QoS, page 167
• L2VPN QoS, page 168
• MLPPP QoS/MLFR QoS, page 171
• MPLS QoS, page 175
• QoS on Multicast VPN, page 180
• QoS on NxDS0 Interfaces, page 182
• Related Information, page 184
802.1ad DEI
You can classify traffic based on the Drop Eligible Indicator (DEI) bit that is present in 802.1ad frames
and in 802.1ah frames. DEI support includes the ability to:
• Police to a certain rate and, based on whether the traffic is conforming or exceeding, mark the DEI
as 0 or 1.
• On ingress, police and set up the discard class (even on an interface that is not configured for
802.1ad encapsulation).
• On egress, mark the DEI based on the discard class value (802.1ad interfaces only).
You can manage congestion based on the Drop Eligible Indicator (DEI) bit that is present in 802.1ad
frames and 802.1ah frames. DEI support includes the ability to:
• Do weighted random early detection (WRED) based on the value of the DEI bit.
Release 3.9.1 The QoS on Multicast VPN feature was introduced on ASR 9000 Ethernet
Line Cards.
Release 4.0.0 The 802.1ad DEI feature was introduced on the SIP 700 for the ASR 9000.
The Frame Relay QoS feature was introduced on the SIP 700 for the ASR
9000.
The IP Header Compression QoS feature was introduced on the SIP 700 for
the ASR 9000.
The L2VPN QoS feature was supported on the SIP 700 for the ASR 9000.
The MLFR QoS feature was introduced on the SIP 700 for the ASR 9000.
The suspend/resume approach was added for MLPPP and MLFR interfaces.
The MPLS QoS feature was supported on the SIP 700 for the ASR 9000.
The QoS on NxDS0 Interfaces feature was introduced on the SIP 700 for
the ASR 9000.
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